SABIC LEXAN™ 244RF PC (Asia)

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SABIC LEXAN™ 244RF PC (Asia)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	LEXAN 244RF resin grade is a medium viscosity multi purpose product with improved flame resistance and release properties. It is also FDA food contact compliant available in limited colors. Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
	1.20 g/cc	ASTM D792
Density	1.19 g/cc	ASTM D792
Water Absorption	0.15 %	24 hours; ASTM D570
Moisture Absorption at Equilibrium	0.35 %	ASTM D570
	0.58 % @Temperature 100 °C	ASTM D570
Linear Mold Shrinkage, Flow	0.0050 - 0.0070 cm/cm @Thickness 3.20 mm	SABIC method
Melt Flow	10.5 g/10 min @Load 1.20 kg, Temperature 300 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	70	ASTM D785
Hardness, Rockwell R	118	ASTM D785
Tensile Strength at Break	68.0 MPa	50 mm/min; ASTM D638
Tensile Strength, Yield	62.0 MPa	50 mm/min; ASTM D638
Elongation at Break	130 %	50 mm/min; ASTM D638
Elongation at Yield	7.0 %	50 mm/min; ASTM D638
Flexural Yield Strength	96.0 MPa	1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2340 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	801 J/m	ASTM D256
Izod Impact, Unnotched	3204 J/m	ASTM D4812
Tensile Impact Strength	577 kJ/m²	ASTM D1822
Falling Dart Impact	169 J	ASTM D3029
Taber Abrasion, mg/1000 Cycles	10	CS-17, 1 kg; ASTM D1044

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+17 ohm-cm	ASTM D257
Dielectric Constant	2.96 @Frequency 1e+6 Hz	ASTM D150
	3.17 @Frequency 50.0 - 60.0 Hz	ASTM D150
Dielectric Strength	14.9 kV/mm @Thickness 3.20 mm	in air; ASTM D149
Dissipation Factor	0.00090 @Frequency 50.0 - 60.0 Hz	ASTM D150
	0.010 @Frequency 1e+6 Hz	ASTM D150
Comparative Tracking Index	250 - 400 V	UL 746A
Hot Wire Ignition, HWI	30 - 60 sec	UL 746A
High Amp Arc Ignition, HAI	60 - 120 arcs	UL 746A
High Voltage Arc-Tracking Rate, HVTR	25.4 - 80.0 mm/min	UL 746A

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	68.4 µm/m-°C @Temperature -40.0 - 95.0 °C	ASTM E831
Specific Heat Capacity	1.25 J/g-°C	ASTM C 351
Thermal Conductivity	0.270 W/m-K	ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	137 °C @Thickness 6.40 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	132 °C @Thickness 6.40 mm	unannealed; ASTM D648
Vicat Softening Point	154 °C	Rate B/50; ASTM D1525
UL RTI, Electrical	130 °C	UL 746B
UL RTI, Mechanical with Impact	130 °C	UL 746B
UL RTI, Mechanical without Impact	130 °C	UL 746B
Flammability, UL94	V-2 @Thickness 1.50 mm	UL 94
Oxygen Index	25 %	ASTM D2863
Glow Wire Test	850 °C @Thickness 1.00 mm	IEC 60695-2-12
	875 °C @Thickness 1.00 mm	IEC 60695-2-13

Optical Properties	Original Value	Comments
Refractive Index	1.586	ASTM D542
Haze	1.0 % @Thickness 2.54 mm	ASTM D1003
Transmission, Visible	88 % @Thickness 2.54 mm	ASTM D1003

Processing Properties	Original Value	Comments
Nozzle Temperature	290 - 310 °C	Injection Molding
Zone 1	270 - 295 °C
Zone 2	280 - 305 °C
Zone 3	295 - 315 °C
Melt Temperature	295 - 315 °C
Mold Temperature	70.0 - 95.0 °C
Drying Temperature	120 °C	Injection Molding
Dry Time	3.00 - 4.00 hour	Injection Molding
	48.0 hour	Cumulative; Injection Molding
Moisture Content	0.020 %
Back Pressure	0.300 - 0.700 MPa
Shot Size	40 - 60 %
Vent Depth	0.00250 - 0.00760 cm
Screw Speed	40 - 70 rpm

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PSABI10438 / 243905

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